New upstream version 17.11.1
[deb_dpdk.git] / drivers / net / enic / enic_ethdev.c
1 /*
2  * Copyright 2008-2014 Cisco Systems, Inc.  All rights reserved.
3  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
4  *
5  * Copyright (c) 2014, Cisco Systems, Inc.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
30  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  *
33  */
34
35 #include <stdio.h>
36 #include <stdint.h>
37
38 #include <rte_dev.h>
39 #include <rte_pci.h>
40 #include <rte_bus_pci.h>
41 #include <rte_ethdev.h>
42 #include <rte_ethdev_pci.h>
43 #include <rte_string_fns.h>
44
45 #include "vnic_intr.h"
46 #include "vnic_cq.h"
47 #include "vnic_wq.h"
48 #include "vnic_rq.h"
49 #include "vnic_enet.h"
50 #include "enic.h"
51
52 #ifdef RTE_LIBRTE_ENIC_DEBUG
53 #define ENICPMD_FUNC_TRACE() \
54         RTE_LOG(DEBUG, PMD, "ENICPMD trace: %s\n", __func__)
55 #else
56 #define ENICPMD_FUNC_TRACE() (void)0
57 #endif
58
59 /*
60  * The set of PCI devices this driver supports
61  */
62 #define CISCO_PCI_VENDOR_ID 0x1137
63 static const struct rte_pci_id pci_id_enic_map[] = {
64         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) },
65         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) },
66         {.vendor_id = 0, /* sentinel */},
67 };
68
69 static int
70 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
71                         enum rte_filter_op filter_op, void *arg)
72 {
73         struct enic *enic = pmd_priv(eth_dev);
74         int ret = 0;
75
76         ENICPMD_FUNC_TRACE();
77         if (filter_op == RTE_ETH_FILTER_NOP)
78                 return 0;
79
80         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
81                 return -EINVAL;
82
83         switch (filter_op) {
84         case RTE_ETH_FILTER_ADD:
85         case RTE_ETH_FILTER_UPDATE:
86                 ret = enic_fdir_add_fltr(enic,
87                         (struct rte_eth_fdir_filter *)arg);
88                 break;
89
90         case RTE_ETH_FILTER_DELETE:
91                 ret = enic_fdir_del_fltr(enic,
92                         (struct rte_eth_fdir_filter *)arg);
93                 break;
94
95         case RTE_ETH_FILTER_STATS:
96                 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
97                 break;
98
99         case RTE_ETH_FILTER_FLUSH:
100                 dev_warning(enic, "unsupported operation %u", filter_op);
101                 ret = -ENOTSUP;
102                 break;
103         case RTE_ETH_FILTER_INFO:
104                 enic_fdir_info_get(enic, (struct rte_eth_fdir_info *)arg);
105                 break;
106         default:
107                 dev_err(enic, "unknown operation %u", filter_op);
108                 ret = -EINVAL;
109                 break;
110         }
111         return ret;
112 }
113
114 static int
115 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
116                      enum rte_filter_type filter_type,
117                      enum rte_filter_op filter_op,
118                      void *arg)
119 {
120         int ret = 0;
121
122         ENICPMD_FUNC_TRACE();
123
124         switch (filter_type) {
125         case RTE_ETH_FILTER_GENERIC:
126                 if (filter_op != RTE_ETH_FILTER_GET)
127                         return -EINVAL;
128                 *(const void **)arg = &enic_flow_ops;
129                 break;
130         case RTE_ETH_FILTER_FDIR:
131                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
132                 break;
133         default:
134                 dev_warning(enic, "Filter type (%d) not supported",
135                         filter_type);
136                 ret = -EINVAL;
137                 break;
138         }
139
140         return ret;
141 }
142
143 static void enicpmd_dev_tx_queue_release(void *txq)
144 {
145         ENICPMD_FUNC_TRACE();
146
147         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
148                 return;
149
150         enic_free_wq(txq);
151 }
152
153 static int enicpmd_dev_setup_intr(struct enic *enic)
154 {
155         int ret;
156         unsigned int index;
157
158         ENICPMD_FUNC_TRACE();
159
160         /* Are we done with the init of all the queues? */
161         for (index = 0; index < enic->cq_count; index++) {
162                 if (!enic->cq[index].ctrl)
163                         break;
164         }
165         if (enic->cq_count != index)
166                 return 0;
167         for (index = 0; index < enic->wq_count; index++) {
168                 if (!enic->wq[index].ctrl)
169                         break;
170         }
171         if (enic->wq_count != index)
172                 return 0;
173         /* check start of packet (SOP) RQs only in case scatter is disabled. */
174         for (index = 0; index < enic->rq_count; index++) {
175                 if (!enic->rq[enic_rte_rq_idx_to_sop_idx(index)].ctrl)
176                         break;
177         }
178         if (enic->rq_count != index)
179                 return 0;
180
181         ret = enic_alloc_intr_resources(enic);
182         if (ret) {
183                 dev_err(enic, "alloc intr failed\n");
184                 return ret;
185         }
186         enic_init_vnic_resources(enic);
187
188         ret = enic_setup_finish(enic);
189         if (ret)
190                 dev_err(enic, "setup could not be finished\n");
191
192         return ret;
193 }
194
195 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
196         uint16_t queue_idx,
197         uint16_t nb_desc,
198         unsigned int socket_id,
199         __rte_unused const struct rte_eth_txconf *tx_conf)
200 {
201         int ret;
202         struct enic *enic = pmd_priv(eth_dev);
203
204         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
205                 return -E_RTE_SECONDARY;
206
207         ENICPMD_FUNC_TRACE();
208         RTE_ASSERT(queue_idx < enic->conf_wq_count);
209         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
210
211         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
212         if (ret) {
213                 dev_err(enic, "error in allocating wq\n");
214                 return ret;
215         }
216
217         return enicpmd_dev_setup_intr(enic);
218 }
219
220 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
221         uint16_t queue_idx)
222 {
223         struct enic *enic = pmd_priv(eth_dev);
224
225         ENICPMD_FUNC_TRACE();
226
227         enic_start_wq(enic, queue_idx);
228
229         return 0;
230 }
231
232 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
233         uint16_t queue_idx)
234 {
235         int ret;
236         struct enic *enic = pmd_priv(eth_dev);
237
238         ENICPMD_FUNC_TRACE();
239
240         ret = enic_stop_wq(enic, queue_idx);
241         if (ret)
242                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
243
244         return ret;
245 }
246
247 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
248         uint16_t queue_idx)
249 {
250         struct enic *enic = pmd_priv(eth_dev);
251
252         ENICPMD_FUNC_TRACE();
253
254         enic_start_rq(enic, queue_idx);
255
256         return 0;
257 }
258
259 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
260         uint16_t queue_idx)
261 {
262         int ret;
263         struct enic *enic = pmd_priv(eth_dev);
264
265         ENICPMD_FUNC_TRACE();
266
267         ret = enic_stop_rq(enic, queue_idx);
268         if (ret)
269                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
270
271         return ret;
272 }
273
274 static void enicpmd_dev_rx_queue_release(void *rxq)
275 {
276         ENICPMD_FUNC_TRACE();
277
278         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
279                 return;
280
281         enic_free_rq(rxq);
282 }
283
284 static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev,
285                                            uint16_t rx_queue_id)
286 {
287         struct enic *enic = pmd_priv(dev);
288         uint32_t queue_count = 0;
289         struct vnic_cq *cq;
290         uint32_t cq_tail;
291         uint16_t cq_idx;
292         int rq_num;
293
294         rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
295         cq = &enic->cq[enic_cq_rq(enic, rq_num)];
296         cq_idx = cq->to_clean;
297
298         cq_tail = ioread32(&cq->ctrl->cq_tail);
299
300         if (cq_tail < cq_idx)
301                 cq_tail += cq->ring.desc_count;
302
303         queue_count = cq_tail - cq_idx;
304
305         return queue_count;
306 }
307
308 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
309         uint16_t queue_idx,
310         uint16_t nb_desc,
311         unsigned int socket_id,
312         const struct rte_eth_rxconf *rx_conf,
313         struct rte_mempool *mp)
314 {
315         int ret;
316         struct enic *enic = pmd_priv(eth_dev);
317
318         ENICPMD_FUNC_TRACE();
319
320         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
321                 return -E_RTE_SECONDARY;
322         RTE_ASSERT(enic_rte_rq_idx_to_sop_idx(queue_idx) < enic->conf_rq_count);
323         eth_dev->data->rx_queues[queue_idx] =
324                 (void *)&enic->rq[enic_rte_rq_idx_to_sop_idx(queue_idx)];
325
326         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc,
327                             rx_conf->rx_free_thresh);
328         if (ret) {
329                 dev_err(enic, "error in allocating rq\n");
330                 return ret;
331         }
332
333         return enicpmd_dev_setup_intr(enic);
334 }
335
336 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
337         uint16_t vlan_id, int on)
338 {
339         struct enic *enic = pmd_priv(eth_dev);
340         int err;
341
342         ENICPMD_FUNC_TRACE();
343         if (on)
344                 err = enic_add_vlan(enic, vlan_id);
345         else
346                 err = enic_del_vlan(enic, vlan_id);
347         return err;
348 }
349
350 static int enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
351 {
352         struct enic *enic = pmd_priv(eth_dev);
353
354         ENICPMD_FUNC_TRACE();
355
356         if (mask & ETH_VLAN_STRIP_MASK) {
357                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
358                         enic->ig_vlan_strip_en = 1;
359                 else
360                         enic->ig_vlan_strip_en = 0;
361         }
362         enic_set_rss_nic_cfg(enic);
363
364
365         if (mask & ETH_VLAN_FILTER_MASK) {
366                 dev_warning(enic,
367                         "Configuration of VLAN filter is not supported\n");
368         }
369
370         if (mask & ETH_VLAN_EXTEND_MASK) {
371                 dev_warning(enic,
372                         "Configuration of extended VLAN is not supported\n");
373         }
374
375         return 0;
376 }
377
378 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
379 {
380         int ret;
381         struct enic *enic = pmd_priv(eth_dev);
382
383         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
384                 return -E_RTE_SECONDARY;
385
386         ENICPMD_FUNC_TRACE();
387         ret = enic_set_vnic_res(enic);
388         if (ret) {
389                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
390                 return ret;
391         }
392
393         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
394                 eth_dev->data->dev_conf.rxmode.header_split) {
395                 /* Enable header-data-split */
396                 enic_set_hdr_split_size(enic,
397                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
398         }
399
400         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
401         ret = enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
402
403         return ret;
404 }
405
406 /* Start the device.
407  * It returns 0 on success.
408  */
409 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
410 {
411         struct enic *enic = pmd_priv(eth_dev);
412
413         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
414                 return -E_RTE_SECONDARY;
415
416         ENICPMD_FUNC_TRACE();
417         return enic_enable(enic);
418 }
419
420 /*
421  * Stop device: disable rx and tx functions to allow for reconfiguring.
422  */
423 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
424 {
425         struct rte_eth_link link;
426         struct enic *enic = pmd_priv(eth_dev);
427
428         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
429                 return;
430
431         ENICPMD_FUNC_TRACE();
432         enic_disable(enic);
433         memset(&link, 0, sizeof(link));
434         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
435                 *(uint64_t *)&eth_dev->data->dev_link,
436                 *(uint64_t *)&link);
437 }
438
439 /*
440  * Stop device.
441  */
442 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
443 {
444         struct enic *enic = pmd_priv(eth_dev);
445
446         ENICPMD_FUNC_TRACE();
447         enic_remove(enic);
448 }
449
450 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
451         __rte_unused int wait_to_complete)
452 {
453         struct enic *enic = pmd_priv(eth_dev);
454
455         ENICPMD_FUNC_TRACE();
456         return enic_link_update(enic);
457 }
458
459 static int enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
460         struct rte_eth_stats *stats)
461 {
462         struct enic *enic = pmd_priv(eth_dev);
463
464         ENICPMD_FUNC_TRACE();
465         return enic_dev_stats_get(enic, stats);
466 }
467
468 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
469 {
470         struct enic *enic = pmd_priv(eth_dev);
471
472         ENICPMD_FUNC_TRACE();
473         enic_dev_stats_clear(enic);
474 }
475
476 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
477         struct rte_eth_dev_info *device_info)
478 {
479         struct enic *enic = pmd_priv(eth_dev);
480
481         ENICPMD_FUNC_TRACE();
482         device_info->pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
483         /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
484         device_info->max_rx_queues = enic->conf_rq_count / 2;
485         device_info->max_tx_queues = enic->conf_wq_count;
486         device_info->min_rx_bufsize = ENIC_MIN_MTU;
487         device_info->max_rx_pktlen = enic->max_mtu + ETHER_HDR_LEN + 4;
488         device_info->max_mac_addrs = ENIC_MAX_MAC_ADDR;
489         device_info->rx_offload_capa =
490                 DEV_RX_OFFLOAD_VLAN_STRIP |
491                 DEV_RX_OFFLOAD_IPV4_CKSUM |
492                 DEV_RX_OFFLOAD_UDP_CKSUM  |
493                 DEV_RX_OFFLOAD_TCP_CKSUM;
494         device_info->tx_offload_capa =
495                 DEV_TX_OFFLOAD_VLAN_INSERT |
496                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
497                 DEV_TX_OFFLOAD_UDP_CKSUM   |
498                 DEV_TX_OFFLOAD_TCP_CKSUM   |
499                 DEV_TX_OFFLOAD_TCP_TSO;
500         device_info->default_rxconf = (struct rte_eth_rxconf) {
501                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
502         };
503 }
504
505 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
506 {
507         static const uint32_t ptypes[] = {
508                 RTE_PTYPE_L2_ETHER,
509                 RTE_PTYPE_L2_ETHER_VLAN,
510                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
511                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
512                 RTE_PTYPE_L4_TCP,
513                 RTE_PTYPE_L4_UDP,
514                 RTE_PTYPE_L4_FRAG,
515                 RTE_PTYPE_L4_NONFRAG,
516                 RTE_PTYPE_UNKNOWN
517         };
518
519         if (dev->rx_pkt_burst == enic_recv_pkts)
520                 return ptypes;
521         return NULL;
522 }
523
524 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
525 {
526         struct enic *enic = pmd_priv(eth_dev);
527
528         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
529                 return;
530
531         ENICPMD_FUNC_TRACE();
532
533         enic->promisc = 1;
534         enic_add_packet_filter(enic);
535 }
536
537 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
538 {
539         struct enic *enic = pmd_priv(eth_dev);
540
541         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
542                 return;
543
544         ENICPMD_FUNC_TRACE();
545         enic->promisc = 0;
546         enic_add_packet_filter(enic);
547 }
548
549 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
550 {
551         struct enic *enic = pmd_priv(eth_dev);
552
553         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
554                 return;
555
556         ENICPMD_FUNC_TRACE();
557         enic->allmulti = 1;
558         enic_add_packet_filter(enic);
559 }
560
561 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
562 {
563         struct enic *enic = pmd_priv(eth_dev);
564
565         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
566                 return;
567
568         ENICPMD_FUNC_TRACE();
569         enic->allmulti = 0;
570         enic_add_packet_filter(enic);
571 }
572
573 static int enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
574         struct ether_addr *mac_addr,
575         __rte_unused uint32_t index, __rte_unused uint32_t pool)
576 {
577         struct enic *enic = pmd_priv(eth_dev);
578
579         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
580                 return -E_RTE_SECONDARY;
581
582         ENICPMD_FUNC_TRACE();
583         return enic_set_mac_address(enic, mac_addr->addr_bytes);
584 }
585
586 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, uint32_t index)
587 {
588         struct enic *enic = pmd_priv(eth_dev);
589
590         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
591                 return;
592
593         ENICPMD_FUNC_TRACE();
594         enic_del_mac_address(enic, index);
595 }
596
597 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
598 {
599         struct enic *enic = pmd_priv(eth_dev);
600
601         ENICPMD_FUNC_TRACE();
602         return enic_set_mtu(enic, mtu);
603 }
604
605 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
606         .dev_configure        = enicpmd_dev_configure,
607         .dev_start            = enicpmd_dev_start,
608         .dev_stop             = enicpmd_dev_stop,
609         .dev_set_link_up      = NULL,
610         .dev_set_link_down    = NULL,
611         .dev_close            = enicpmd_dev_close,
612         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
613         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
614         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
615         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
616         .link_update          = enicpmd_dev_link_update,
617         .stats_get            = enicpmd_dev_stats_get,
618         .stats_reset          = enicpmd_dev_stats_reset,
619         .queue_stats_mapping_set = NULL,
620         .dev_infos_get        = enicpmd_dev_info_get,
621         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
622         .mtu_set              = enicpmd_mtu_set,
623         .vlan_filter_set      = enicpmd_vlan_filter_set,
624         .vlan_tpid_set        = NULL,
625         .vlan_offload_set     = enicpmd_vlan_offload_set,
626         .vlan_strip_queue_set = NULL,
627         .rx_queue_start       = enicpmd_dev_rx_queue_start,
628         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
629         .tx_queue_start       = enicpmd_dev_tx_queue_start,
630         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
631         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
632         .rx_queue_release     = enicpmd_dev_rx_queue_release,
633         .rx_queue_count       = enicpmd_dev_rx_queue_count,
634         .rx_descriptor_done   = NULL,
635         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
636         .tx_queue_release     = enicpmd_dev_tx_queue_release,
637         .dev_led_on           = NULL,
638         .dev_led_off          = NULL,
639         .flow_ctrl_get        = NULL,
640         .flow_ctrl_set        = NULL,
641         .priority_flow_ctrl_set = NULL,
642         .mac_addr_add         = enicpmd_add_mac_addr,
643         .mac_addr_remove      = enicpmd_remove_mac_addr,
644         .filter_ctrl          = enicpmd_dev_filter_ctrl,
645 };
646
647 struct enic *enicpmd_list_head = NULL;
648 /* Initialize the driver
649  * It returns 0 on success.
650  */
651 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
652 {
653         struct rte_pci_device *pdev;
654         struct rte_pci_addr *addr;
655         struct enic *enic = pmd_priv(eth_dev);
656
657         ENICPMD_FUNC_TRACE();
658
659         enic->port_id = eth_dev->data->port_id;
660         enic->rte_dev = eth_dev;
661         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
662         eth_dev->rx_pkt_burst = &enic_recv_pkts;
663         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
664
665         pdev = RTE_ETH_DEV_TO_PCI(eth_dev);
666         rte_eth_copy_pci_info(eth_dev, pdev);
667         enic->pdev = pdev;
668         addr = &pdev->addr;
669
670         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
671                 addr->domain, addr->bus, addr->devid, addr->function);
672
673         return enic_probe(enic);
674 }
675
676 static int eth_enic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
677         struct rte_pci_device *pci_dev)
678 {
679         return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct enic),
680                 eth_enicpmd_dev_init);
681 }
682
683 static int eth_enic_pci_remove(struct rte_pci_device *pci_dev)
684 {
685         return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
686 }
687
688 static struct rte_pci_driver rte_enic_pmd = {
689         .id_table = pci_id_enic_map,
690         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
691         .probe = eth_enic_pci_probe,
692         .remove = eth_enic_pci_remove,
693 };
694
695 RTE_PMD_REGISTER_PCI(net_enic, rte_enic_pmd);
696 RTE_PMD_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);
697 RTE_PMD_REGISTER_KMOD_DEP(net_enic, "* igb_uio | uio_pci_generic | vfio-pci");